WO2022255577A1 - 확대 회절 반사가 가능한 다중 시야각 모니터 시스템 - Google Patents
확대 회절 반사가 가능한 다중 시야각 모니터 시스템 Download PDFInfo
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- WO2022255577A1 WO2022255577A1 PCT/KR2021/019069 KR2021019069W WO2022255577A1 WO 2022255577 A1 WO2022255577 A1 WO 2022255577A1 KR 2021019069 W KR2021019069 W KR 2021019069W WO 2022255577 A1 WO2022255577 A1 WO 2022255577A1
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- viewing angle
- angle image
- image
- display direction
- viewing
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- 101150013335 img1 gene Proteins 0.000 description 26
- 238000010586 diagram Methods 0.000 description 10
- 238000005286 illumination Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 4
- 230000001427 coherent effect Effects 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
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- 210000003195 fascia Anatomy 0.000 description 1
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- 238000002834 transmittance Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/32—Holograms used as optical elements
Definitions
- the present invention relates to a multi-view angle monitor system capable of magnified diffraction reflection, and more particularly, to a multi-view angle monitor system capable of magnified diffraction reflection using a monitor and a glass roof in a vehicle.
- a display is installed on the inside front (or center fascia) of a vehicle for an infotainment system.
- an entertaining image is provided while driving through such a display, the corresponding image is displayed to the driver to prevent accidents while driving. It is legally restricted so as not to be acknowledged.
- a separate display is provided in the rear seat or passenger seat as a means of providing an image for passengers in the passenger seat or rear seat.
- the roof constituting the vehicle was previously equipped with a sunroof to add a sense of openness, but recently, most of the roof of the vehicle is made of glass, so that the occupants can feel a very wide sense of openness. is on the rise.
- An object of the present invention to solve the above problems is to generate two multi-viewing angle images on a monitor mounted on the front side of a vehicle, and divide each of the generated multi-viewing angle images to the monitor and the glass roof so that they can be viewed.
- space utilization can be maximized, and multi-viewing angle images shown on the glass roof are enlarged and provided to passengers in the back seat to provide a system that allows them to watch images on a wide screen.
- One aspect of the present invention for achieving the above object provides a multi-viewing angle monitor system capable of magnified diffraction reflection.
- the system includes a monitor device mounted on the front part of the vehicle and displaying images from multiple viewing angles; and a glass roof installed on the roof of the vehicle to magnify, reflect, and display a selected image among the multi-viewing angle images.
- the multi-viewing angle images displayed on the monitor device may include a first multi-viewing angle image having a first display direction; and a second multi-viewing angle image having a second display direction toward a direction in which the glass roof is installed.
- the glass roof displays the second multi-view angle image in the third display direction by refracting and reflecting the second multi-view angle image from the second display direction to the third display direction.
- the third display direction may be a direction corresponding to a direction in which occupants sitting in a rear seat of a driver's seat in the vehicle look at the glass roof.
- the monitor device may include: a multi-viewing angle image generating unit generating the first multi-viewing angle image and the second multi-viewing angle image; a single display panel receiving and simultaneously displaying the first multi-viewing angle image and the second multi-viewing angle image from the multi-viewing angle image generator; an image separation optical unit for guiding paths of the first multi-viewing angle image and the second multi-viewing angle image to be separated from each other; The first multi-viewing angle image guided by the image separation optical unit and the second multi-viewing angle image
- a focusing lens unit for focusing each viewing angle image; and the first multi-viewing-angle image and the second multi-viewing-angle image transmitted from the focusing lens unit, respectively.
- an image reflector for reflecting images in the first display direction and the second display direction.
- At least a portion of the glass roof includes a refracting/reflecting portion, wherein the spherical half-reflecting portion refracts and reflects the second multi-view night view image transmitted at an incident angle corresponding to the second display direction in the third display direction. It includes a transparent optical lens, and an optical pattern based on a Holographic Optical Element (HOE) may be pre-recorded in the transparent optical lens.
- HOE Holographic Optical Element
- multi-viewing angle monitor system capable of magnified diffraction reflection according to the present invention as described above
- two multi-viewing angle images are generated on a monitor mounted on the front side of the vehicle, and each of the generated multiple viewing angle images is displayed between the monitor and the glass-through.
- the rear seat occupants can view the image on a wide screen by enlarging the multi-viewing angle image shown on the glass roof and providing it to the rear seat occupants.
- the video provided to the rear seat occupant through the glass roof is not visible to the driver in the driver's seat and is visible only to the rear seat occupant, it has the advantage of preventing accidents while driving and meeting legal standards.
- the role of the existing front-side monitor device can be maintained.
- FIG. 1 is a conceptual diagram illustrating a multi-viewing angle monitor system capable of magnified diffraction reflection according to an exemplary embodiment.
- FIG. 2 is a conceptual diagram illustrating the system according to FIG. 1 from the perspective of a rear seat occupant.
- FIG. 3 is a block diagram showing the configuration of a monitoring device mounted on the front side of a vehicle according to FIG. 1 .
- FIG. 4 is a conceptual diagram for explaining the operation of the monitoring device according to FIG. 3 .
- FIG. 5 is a conceptual diagram illustrating an operation of a glass roof in the system according to FIG. 1 .
- FIG. 6 is a view showing the configuration of the refracting and reflecting unit according to FIG. 5 by way of example.
- first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. These terms are only used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention.
- the terms and/or include any combination of a plurality of related recited items or any of a plurality of related recited items.
- FIG. 1 is a conceptual diagram illustrating a multi-viewing angle monitor system capable of magnified diffraction reflection according to an exemplary embodiment.
- FIG. 2 is a conceptual diagram illustrating the system according to FIG. 1 from the perspective of a rear seat occupant.
- a multi-viewing angle monitor system 1000 capable of magnified diffraction reflection according to an embodiment includes a monitor device 100 mounted on a front part of a vehicle to display images of multiple viewing angles, and a monitor device 100 It may include a glass roof 200 that enlarges and reflects an image selected from among multiple viewing angle images displayed in .
- the monitor device 100 displays a first multi-viewing angle image IMG1 having a first display direction and a second multi-viewing angle image IMG2 having a second displaying direction toward the direction where the graph loop is located, on one display panel.
- the first to first display directions may refer to directions in which images are displayed.
- the first display direction corresponds to the direction in which the monitor device 100 is viewed by occupants in the front seat (eg, the driver's seat or the passenger's seat next to the driver's seat) in the vehicle (or opposite to the direction in which the monitor is viewed). heading) direction. Therefore, when the front passengers inside the vehicle look at the monitor device 100, they can view the first multi-viewing angle image IMG1.
- the second display direction may be a direction toward a glass roof installed on a roof in a vehicle. Therefore, even if the front passengers inside the vehicle look at the monitor device 100, the second multi-viewing angle image IMG2 is not recognized.
- the glass roof 200 may display the second multi-viewing angle image IMG2 in the third display direction by refracting and reflecting the second multi-viewing angle image IMG2.
- the third display direction corresponds to the direction in which the glass roof 200 is viewed by the occupants in the rear seats (eg, the rear seats may be seats other than the driver's seat or the assistant seat next to the driver's seat) inside the vehicle ( Or it may be a direction opposite to the direction of viewing). Therefore, when passengers in the rear seats look at the glass roof 200 inside the vehicle, they can watch the second multi-viewing angle image IMG2.
- the glass roof 200 may enlarge and refract and reflect the second multi-viewing angle image IMG2.
- a transparent optical lens 211 may be inserted or attached to the glass roof 200 in order to refract and reflect the second multi-viewing angle image IMG2 so that it can be viewed from a rear seat, and through the transparent optical lens 211, the second multi-viewing angle image IMG2 can be viewed.
- the viewing angle image IMG2 may be refracted and reflected in the third display direction.
- the transparent optical lens 211 is a thin film lens having high transmittance, and an optical pattern based on a Holographic Optical Element (HOE) may be recorded.
- HOE Holographic Optical Element
- the transparent optical lens 211 is configured to focus the refracted and reflected second multi-view angle image IMG2 at a focal length set to enlarge according to a preset magnification ratio, thereby enlarging the second multi-view angle image IMG2. It can be displayed in the third display direction.
- the glass roof 200 according to the present invention refracts, reflects and magnifies using the transparent optical lens 211, even if the volume of the monitor device 100 is small, the second multi-view angle image IMG2 on a sufficiently large screen has the advantage of providing
- FIG. 3 is a block diagram showing the configuration of a monitoring device mounted on the front side of a vehicle according to FIG. 1 .
- FIG. 4 is a conceptual diagram for explaining the operation of the monitoring device according to FIG. 3 .
- the monitor device 100 generates a first two-dimensional (2D) multi-viewing angle image IMG1 and a two-dimensional (2D) second multi-viewing angle image IMG2.
- the first multi-viewing angle image IMG1 and the second multi-viewing angle image IMG2 are provided from the middle viewing angle image generator 110 and the multi-viewing angle image generator 110, and the first multi-viewing angle image IMG1 and the second multi-viewing angle image IMG1 are provided.
- a single display panel 120 that displays 2 multi-viewing angle images IMG2 at the same time, and guides to separate the path of the first multi-viewing angle image IMG1 and the path of the second multi-viewing angle image IMG2 from each other.
- the image separation optical unit 130, the focusing lens unit 140 for focusing the first multi-view angle image IMG1 and the second multi-view angle image IMG2 guided by the image separation optical unit 130, respectively; and an image reflector for reflecting the first multi-viewing angle image IMG1 and the second multi-viewing angle image IMG 2 transferred from the focusing lens unit 140 in different directions (first display direction and second display direction) ( 150) may be included.
- the multi-viewing angle image generator 110 may obtain a first image to be provided to passengers sitting in the front of the vehicle and a second image to be provided to passengers sitting in the rear seat of the vehicle.
- the first image may be a navigation image or an image displaying vehicle information that can be seen by a driver or a front seat passenger sitting in the front of the vehicle.
- the second image may be an entertainment image that passengers in the back seat of the vehicle can view.
- the first image to the second image may be stored in a separate storage device and then read by the multi-view angle image generator 110 or input to the multi-view angle image generator 110 through a separate input means.
- the multi-view and night angle image generation unit 110 may be provided to the multi-view and night angle image generation unit 110 in various implementation methods.
- the multi-viewing angle image generator 110 generates a first multi-viewing angle image IMG1 by applying the first phase profile for determining the moving direction of the first image to the first image, and determines the moving direction of the second image.
- a second multi-viewing angle image IMG2 may be generated by applying the second phase profile to the second image.
- the multi-viewing angle image generation unit 110 generates a first multi-viewing angle image IMG1 by convolutionally multiplying a first image with a first phase profile, and convolutionally multiplies a second image with a second phase profile to generate a second image.
- a multi-viewing angle image IMG1 may be generated.
- the first phase profile or the second phase profile may be data forming a prism pattern in the form of a periodic sinusoidal wave.
- Light may be refracted in a certain direction by the prism pattern, and the refracted angle is determined by the period of the prism pattern.
- the first phase profile or the second phase profile may be data indicating that the first image and the second image may proceed in different directions by changing refracted angles, respectively.
- the multi-viewing angle image generator 110 may transmit the first multi-viewing angle image IMG1 and the second multi-viewing angle image IMG2 to the display panel 120 .
- the multi-viewing angle image generator 110 sets each of the pixel values constituting the first multi-viewing angle image IMG1 to a position corresponding to each of the pixel values constituting the second multi-viewing angle image IMG2.
- the image data obtained by summing each other may be transmitted to the display panel 120 .
- the display panel 120 is composed of a single array of a plurality of pixels, and the first multi-viewing angle image IMG1 and the second multi-viewing angle image IMG2 are displayed using the single array. can be displayed simultaneously.
- the image separation optical unit 130 advances the first multi-viewing angle image IMG1 displayed by the display panel 120 in a first direction, and converts the second multi-viewing angle image IMG2 into a second direction different from the first direction. By moving in the direction, the first multi-viewing angle image IMG1 and the second multi-viewing angle image IMG2 may be separated from each other.
- the image separation optical unit 130 may be a beam splitter that separates incident light into two beams.
- the first multi-viewing angle image IMG1 and the second multi-viewing angle image IMG2 proceed in the first direction and the second direction, respectively, the first multi-viewing angle image passing through the second image separation optical unit 130
- the image IMG1 and the second multi-view angle image IMG2 may arrive at different positions of the focusing lens unit 140 .
- an arrow drawn in a dotted line in FIG. 4 shows a direction in which the first multi-viewing angle image IMG1 is transferred (or proceeds), and an arrow drawn in a solid line in FIG. It shows the direction in which (IMG2) is transmitted (or proceeds).
- a first multi-viewing angle image IMG1 and a second multi-viewing angle image IMG2 simultaneously displayed in each of the pixels constituting the array of the display panel 120 have a first direction and a second direction that are different from each other. It may reach the focusing lens 140 by proceeding in two directions, respectively.
- the focusing lens 140 may focus lights displaying the first multi-viewing angle image IMG1 to a first position and focus lights displaying a second multi-viewing angle image IMG2 to a second position.
- the focusing lens 140 may be a Fourier lens.
- the image reflector 150 may include a first reflector 150 installed at a first location and a second reflector 150b installed at a second location.
- the first reflector 150a displays the first multi-viewing angle image IMG1 focused at the first position in the first display area corresponding to the front of the monitor device 100. It may be a mirror having an inclined angle that reflects in a direction.
- the second reflector 150b may be a mirror having an inclination angle for reflecting the second multi-view angle image IMG2 focused at the second position in a second display direction corresponding to the direction in which the glass roof 200 is located.
- the second multi-viewing angle image IMG2 reflected by the second reflector 150b is transferred to the glass roof 200 and the first multi-viewing angle image IMG1 reflected by the first reflector 150a. ) is transmitted to the front of the monitor device 100 and can be viewed by a passenger (a driver or a passenger in the passenger seat) seated in front of the monitor device 100.
- the monitor device 100 may further include a light source unit for injecting coherent illumination light into the display panel 120 .
- the light source unit may change the coherent illumination light into parallel light and make the changed parallel light incident to the display panel 120 through the image separation optical unit 130 .
- the display panel 120 may simultaneously display the first multi-viewing angle image IMG1 and the second multi-viewing angle image IMG2 by reflecting and modulating the coherent illumination light incident by the light source unit.
- the display panel 120 may be a reflective spatial light modulator that displays an image by reflecting illumination light or a transmissive spatial light modulator that displays an image by transmitting illumination light.
- a semiconductor It may be a panel based modulator, liquid crystal device (LCD), digital micromirror device (DMD), liquid crystal on silicon (LCoS), light emitting diode (LED), or the like.
- the image separation optical unit 130, the focusing lens unit 140, and the image reflecting unit 150 described with reference to FIGS. 3 and 4 are various types of viewing angle adjusting devices (light field) or It may be implemented by being deformed by the viewing angle adjusting film, and such a deformed implementation may be interpreted as being included in one embodiment.
- FIG. 5 is a conceptual diagram illustrating an operation of a glass roof in the system according to FIG. 1 .
- FIG. 6 is a view showing the configuration of the refracting/reflecting unit according to FIG. 5 by way of example.
- the second multi-viewing angle image IMG2 may be transferred to the glass roof 200 .
- the second multi-viewing angle image IMG2 may be transmitted to the refracting/reflection unit 210 configured on at least a part of the glass roof 200 .
- the refractive reflector 210 may include a transparent optical lens 211 that refracts and reflects the second multi-view angle image IMG2 transmitted at a designated incident angle in a direction corresponding to the third display direction.
- the transparent optical lens 211 is based on an optical pattern based on a Holographic Optical Element (HOE) or, more specifically, a reflective Holographic Optical Element (HOE), which is a structure in which directions of an object beam and a reference beam are incident on a medium in opposite directions. A transfinite optical pattern can be written.
- HOE Holographic Optical Element
- HOE reflective Holographic Optical Element
- the transparent optical lens 211 may be inserted between the first glass 212 and the second glass 213 constituting the glass roof 200 .
- the optical pattern recorded on the transparent optical lens 211 emits diffracted light DR obtained by refracting and reflecting the first incident light IR1 incident at a predetermined angle of incidence at a designated reflection angle, and The second incident light IR2 incident at an angle other than the incident angle may be passed as it is.
- the angle of incidence may be an angle corresponding to the second display direction in which the second multi-viewing angle image IMG2 is reflected by the second reflector 150b, and the reflection angle is such that an occupant sitting in a rear seat in the vehicle refracts the reflector ( 210) may correspond to (or be the same as) an angle.
- the optical pattern may be pre-recorded (or recorded) on the transparent optical lens 211 so that only the incident light incident at the aforementioned pre-specified incident angle is reflected at the specified reflection angle.
- recording means generating an interference pattern obtained by meeting two laser beams on a recording medium (or transparent optical lens 211). this month
- the transparent optical lens 211 may be a Fresnel lens that receives diffracted light (DR) emitted by a pre-recorded optical pattern and focuses the diffraction light (DR) at a focal length according to a predetermined magnification ratio. .
- the Fresnel lens focuses the diffracted light DR to a focal length according to a predetermined magnification ratio, the second multi-view angle image IMG2 refracted and reflected by the optical pattern can be magnified.
- the transparent optical lens 211 refracts and reflects the second multi-viewing angle image IMG2 displayed along the second display direction in the monitor device 100 in the third display direction by a pre-recorded optical pattern, and Fresnel
- the transparent optical lens 211 refracts and reflects the second multi-viewing angle image IMG2 displayed along the second display direction in the monitor device 100 in the third display direction by a pre-recorded optical pattern, and Fresnel
- the diffracted light DR constituting the second multi-viewing angle image IMG2 can be focused in the air outside the vehicle, and the occupants in the rear seat can watch the enlarged second multi-viewing angle image IMG2.
- the transparent optical lens 211 is shown as being inserted between the first glass 212 and the second glass 213, but this is exemplary and a portion of the first glass 212 as necessary. Alternatively, it may be implemented as a part of the second glass 213 or may be implemented in a form bonded to one side of a single glass constituting the glass roof 200 .
- the methods according to the present invention may be implemented in the form of program instructions that can be executed by various computer means and recorded on a computer readable medium.
- Computer readable media may include program instructions, data files, data structures, etc. alone or in combination.
- Program instructions recorded on a computer readable medium may be specially designed and configured for the present invention or may be known and usable to those skilled in computer software.
- Examples of computer readable media may include hardware devices specially configured to store and execute program instructions, such as ROM, RAM, and flash memory.
- Examples of program instructions may include high-level language codes that can be executed by a computer using an interpreter or the like as well as machine code generated by a compiler.
- the hardware device described above may be configured to operate as at least one software module to perform the operations of the present invention, and vice versa.
- the above-described method or device may be implemented by combining all or some of its components or functions, or may be implemented separately.
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Claims (5)
- 확대 회절 반사가 가능한 다중 시야각 모니터 시스템으로서,차량 내 전면부에 장착되어 다중 시야각 영상들을 표시하는 모니터 장치; 및 차량 내 지붕에 설치되어 상기 다중 시야각 영상들 중 선택된 영상을 확대 및 반사시켜 표시하는 글래스루프(glassroof)를 포함하고,상기 모니터 장치에서 표시되는 상기 다중 시야각 영상들은,제1 표시방향을 갖는 제1 다중 시야각 영상; 및상기 글래스루프가 설치된 방향을 향하는 제2 표시방향을 갖는 제2 다중 시 야각 영상을 포함하는, 시스템.
- 청구항 1에서,상기 글래스루프는,상기 제2 다중 시야각 영상을 상기 제2 표시방향에서 제3 표시방향으로 굴절 반사시켜 상기 제3 표시방향으로 상기 제2 다중 시야각 영상을 표시하는, 시스템.
- 청구항 2에서,상기 제3 표시방향은,상기 차량 내에서 운전석의 후석에 탑승한 탑승자들이 상기 글래스루프를 바라보는 방향과 상응하는 방향인, 시스템.
- 청구항 3에서,상기 모니터 장치는,상기 제1 다중 시야각 영상 및 상기 제2 다중 시야각 영상을 생성하는 다중 시야각 영상 생성부;상기 다중 시야각 영상 생성부로부터 상기 제1 다중 시야각 영상 및 상기 제2 다중 시야각 영상을 제공받아 동시에 표시하는 단일의 디스플레이 패널;상기 제1 다중 시야각 영상과 상기 제2 다중 시야각 영상이 진행되는 경로를 서로 분리하도록 가이드하는 영상 분리 광학부;상기 영상 분리 광학부에 의해 가이드된 상기 제1 다중 시야각 영상과 상기 제2 다중 시야각 영상의 초점을 각각 맞추는 포커싱 렌즈부; 및상기 포커싱 렌즈부로부터 전달되는 상기 제1 다중 시야각 영상과 상기 제2 다중 시야각 영상을 각각 상기 제1 표시 방향과 상기 제2 표시 방향으로 반사시키 는 영상 반사부를 포함하는, 시스템.
- 청구항 3에서,상기 글래스루프의 적어도 일부는, 굴절반사부를 포함하되,상기 굴절반사부는,상기 제2 표시방향에 상응하는 입사각으로 전달되는 상기 제2 다중 시야각 영상을 상기 제3 표시방향으로 굴절 및 반사시키는 투명 광학 렌즈를 포함하되,상기 투명 광학 렌즈는, HOE(Holographic Optical Element)에 기초한 광학 패턴이 미리 기록된, 시스템.
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KR102305917B1 (ko) * | 2021-05-31 | 2021-09-30 | 주식회사 애니랙티브 | 확대 회절 반사가 가능한 다중 시야각 모니터 시스템 |
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CN117412882A (zh) | 2024-01-16 |
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